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EN558/s.14 (F4), SS stem, A2 bolts

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Mamoun Humayra

Water Product Manager

Flanged gate valve EN 558-2 S.14/DIN F4. For drinking water and neutral liquids to max. 70°C

AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK’s own drinking water approved EPDM rubber compound. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple safety stem sealing system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

Variant 06/30-0035
Connection:	Flanged
Material:	Ductile Iron
DN:	DN50 - DN600
PN:	PN 16
Closing direction:	Clockwise to Close

Features

Fixed, integral wedge nut prevents vibration and ensures durability
Wedge fully vulcanized with drinking water approved EPDM and equipped with wedge shoes for smooth operation
Large conical stem hole in the wedge prevents stagnant water
Wedge and body guide rails ensure stable operation
Stainless steel stem with wedge stop and rolled threads for high strength
Full circle thrust collar provides fixation of the stem and low free running torques
Triple safety stem sealing with NBR wiper ring, polyamide bearing with four NBR O-rings, and EPDM manchette
Round EPDM bonnet gasket fixed in a recess
Countersunk and sealed stainless steel bonnet bolts encircled by the bonnet gasket
Full bore
Low operating torque
Fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901, GSK approved
DN 450-600 are fitted with stainless steel roller bearings providing low operating torques, ISO top flange, eye lifting bolts and optionally with DN 50 by-pass.

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AVK_Gate valves_animation_2022.mp4

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Ref. no.	DN mm	Flange drillling	L mm	H mm	H1 mm	H3 mm	F mm	F1 mm	F2 mm	Theoretical weight/kg
06-050-30-0146499	50	PN10/16	150	208	-	290	14	16	30	9.0
06-065-30-0146499	65	PN10/16	170	244	-	337	17	20	34	11
06-080-30-0146499	80	PN10/16	180	282	-	382	17	20	34	13
06-100-30-0146499	100	PN10/16	190	305	-	415	19	22	34	15
06-150-30-0146499	150	PN10/16	210	401	-	543	19	22	34	27
06-200-30-0146499	200	PN16	230	490	-	660	24	28	42	41
06-250-30-014	250	PN16	250	664	-	864	27	31	47	60
06-250-30-0146499	250	PN16	250	625	-	825	27	31	47	66
06-300-30-014	300	PN16	270	740	-	968	27	31	47	109
06-400-30-016	400	PN16	310	951	-	1241	32	37	55	181
06-600-30-016	600	PN16	390	1285	1205	1705	Ø30	-	75	613

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Components

1.	Stem	Stainless steel 1.4104 (430F)
2.	Wiper ring	NBR rubber
3.	O-ring	NBR rubber
4.	Bearing	PA
5.	Bonnet	Ductile Iron GJS-500-7
6.	Thrust collar	Brass CW602N
7.	Shaft seal	EPDM
8.	Bonnet bolt	Stainless steel A2, sealed with hot melt
9.	Bonnet gasket	EPDM
10.	Wedge nut	Brass CW626N
11.	Wedge	EPDM encaps. duct. iron
12.	Body	Ductile Iron GJS-500-7
13.	Key	Stainless steel
14.	Wiper ring	NBR rubber
15.	O-ring	NBR rubber
16.	Bearing	PA
17.	Thrust washer	Stainless steel 1.4104 (430F)
18.	Roller bearing	Stainless steel
19.	Thrust collar	Stainless steel 1.4104 (430F)
20.	O-ring	NBR rubber
21.	Shaft seal	EPDM
22.	By-Pass valve	Ductile Iron GJS-500-7
23.	By-pass bend	Ductile Iron GJS-500-7
24.	Washer	Stainless steel A2
25.	Nut	Stainless steel A2
26.	Bolt	Stainless steel A2
27.	Bolt	Stainless steel A2
28.	Washer	Stainless steel A2
29.	Plate for by-pass	Ductile Iron GJS-500-7
30.	Wedge shoe	PA

Test/Approvals

Hydraulic test according to EN 1074-1 / EN 12266
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Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar). Closing torque test.
Belgaqua approved material
Approved according to DIN-DVGW Certificate NW-6203BN0117
Approved according to KIWA Certificate K 6320
Approved according to ÖVGW Certificate W 1.417
Approved according to SVGW Certificate No. 0301-4606